. >> plant needs to know cold is come soing start storing energy. >> energy stored in these berry like hips in san jose, abc7 news. >> let's turn now to abc7 news reporter wayne freedman this, is the second night where you are. >> it s it's cold last night. and imagine, you haven't used your furnace, you turn it on, nothing happens how do we know when cold is too cold? this this home when the thermo stat barely budges 50 because the furnace won't work. >> couldn't have been more than 40 last night. >> in the snous i'm hearing about it. space heaters only go so far. >> william powell of one hour heating and air conditioning. >> this is my fourth or fifth call today. >> normal? during this time of the year, yes. 7, 8 calls per day. >> really? >> yes. >> are you done? no. no. it's not dark out yet >> in downtown santa rosa a bright sun fool nod one. or most anyway. >> it's fine. it's fine. really. really. >> unless you're one of those unfortunate souls facing a night on the streets. then, arriving early to redwood rescue mission becomes equivalent of working for a living. >> if you have n